Guitar



FIG. 1 is a front perspective view of a guitar showing my new design;

FIG. 2 is a reduced front elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a side elevational view opposite of the view shown in FIG. 3. 

The ornamental design for a guitar, as shown and described. 